/ 2 +3 2013 dec 06 my speaker plans Design of Loudspeakers - Linkwitz Lab A few truly omni-directional speaker designs on the market come close, but
require ... My conclusion is that uniform line source speakers are not what I would
... 3 -2 2014 jan 25 leica lumix camera Lumix & Leica - Linkwitz Lab The Leica versions have hard edges on the sides of the camera body. In the case
of the D-LUX 3 this actually gives a firmer grip on the small ... 4 -2 2014 mar 08 build your own subwoofer THOR - subwoofer - Linkwitz Lab Build your own subwoofer . Often it is desirable to add very low frequency bass to
the sound output of an existing loudspeaker system. 4 ~ 2013 dec 21 open baffle speaker PHOENIX - Open Baffle Loudspeaker - Linkwitz Lab Detailed design information for DIY construction of an open - baffle , dipole
loudspeaker . The speaker gives exceptional fidelity of sound reproduction in
normal ... 5 -2 2014 jan 25 lumix leica camera 5 -3 2014 jan 05 panasonic lumix leica From its physical appearance and published specifications it appears that the
Panasonic Lumix DMC-LX2 is very similar to the Leica D-LUX 3 ... 6 -2 2014 feb 28 low resonant frequency earphone Reference earphones - Linkwitz Lab The seal of the cavity affects the bass response and the resonances . They give ...
They have a targeted in-situ low frequency response, which is ... 6 +20 2014 jan 09 notch filter circuit Active Filters - Linkwitz Lab 5 - Shelving lowpass & passive circuit 6 - Shelving highpass & passive circuit 7 -
Notch filter 8 - 6 dB/oct dipole equalization 9 - 12 dB/oct highpass equalization ... 6 -2 2013 dec 11 room acoustics designer Room Acoustics - Linkwitz Lab Even so, concert hall design is still a blend of art and science. For your listening/
living room design and layout follow the simple guidelines above and forget ... 7 +51 2013 dec 15 omni directional speakers PLUTO-2.1 omni - directional loudspeaker - Linkwitz Lab The Aura driver is instrumental to the omni - directional PLUTO concept since this
tweeter ... You can drive these speakers directly from a universal player that has ... 8 -2 2014 jan 15 linear design labs speakers Rarely do non- linear distortion considerations enter into the design of speakers .
Otherwise, consumer stores and recording studios would not abound with 2-way
... 9 +2 2014 feb 06 band stop filter drive v1 Multiple sections may delay the tweeter output and compensate for the driver
being mounted ... C) The shelving lowpass with added notch filter is the most
flexible circuit. ... R3 when driven from an operational amplifier with output
voltage V1 . 10 +8 2013 dec 19 crossover speaker design Crossovers - Linkwitz Lab My latest design , the ORION, employs two 24 dB/oct filters for highest accuracy of
... Crossover filters for a speaker usually incorporate frequency response ... 11 -8 2014 feb 19 qts open baffle Alternate drivers 3 - Linkwitz Lab The low Qts < 0.5 leads to real axis poles at 86 Hz and 4 Hz in the second order
... For an open baffle woofer the excursion falls off at (1/f)3 with increasing ... 11 -5 2014 jan 24 dipole woofer simulation software Actually, the bass reminded me of what I hear from dipole woofers and the
speakers ... If there were differences due to the driver technology then I would
rank the ..... Now the large signal behavior of the complete loudspeaker can be
simulated . 11 +17 2013 dec 20 pichure of cd Sound Picture CD - Linkwitz Lab Here is my collection of sound pictures which I took from a variety of familiar real
life events. ... The tracks on this CD are examples of the material that I use. 12 -2 2014 jan 26 speaker design basic A few truly omni-directional speaker designs on the market come close, but
require .... Adding to the comments above, I want to describe the basic design
and ... 12 +17 2013 dec 28 concert loud speaker design The loudspeaker's polar radiation pattern determines its interaction with the room
and the ... Even so, concert hall design is still a blend of art and science. 12 -6 2013 dec 21 linear design speakers 13 ~ 2014 mar 03 audio amp kit 2 way active crossover The electrical audio signal then needs to be divided between three drivers. The
proper ... Active crossovers make much more effective use of amplifier power. A
clipping ... H1 = [s / (s + 1)] + [1 / (s + 1)] = HP + LP ==> 2 - way . 13 -8 2014 feb 25 naxos mcgill McGill University - Linkwitz Lab ( Four Blu-Ray discs from NAXOS , www.thevirtualhaydn.com ). Haydn's Sonatas
and Klavierstuecke were played on seven historical keyboards, ... 13 +10 2014 jan 02 speaker box design Subwoofer design - Linkwitz Lab Subwoofer design . 1 - Box construction. My goal is to keep the box size as small
as possible. The estimates show that a box with about 50 liter internal volume ... 13 -6 2013 dec 06 pc audio high-end dCS Guide To Computer Audio v1.10 - Linkwitz Lab Contents. Overview – the Principles of Computer Audio . ..... Macs and PCs are
now a viable alternative to high end stand-alone CD transports ... 14 -9 2014 jan 14 digital photography processing Digital Photo Processes - Linkwitz Lab In these web pages I will show what I investigated and learned about noise and
artifacts in digital photo processing . I pursued this specifically with the LX2 in ... 14 -11 2014 jan 12 tweeter natural area rugs LX521 Description - Linkwitz Lab Richard Taylor has analyzed the required room dimensions and speaker setups
to 14 -3 2013 dec 07 stereo central channel Surround stereo system - Linkwitz Lab 1 - Ambience recovery from a 2- channel CD 2 - Refinement of ambience
recovery 3 - SACD and DVD-A use of the center channel 4 - A few ... 15 -1 2014 jan 03 speaker enclosure design This year the outstanding leader in the conventional box speaker category was
the $40,000 TAD Model-1. A superbly executed design under the leadership of ... 15 +78 2013 dec 06 low shelf filter This type of circuit is useful to bring up the low frequency response in order to
compensate for the high ... A) The shelving lowpass filter cannot correct for a
peak. 16 ~ 2014 feb 16 sls fz1 spreadsheet - Linkwitz Lab 30, C1, C3, fz1 , 32, = fp1 ?? fz1 , 29, = fp1 ?? 31, Adc [dB], 21.6, Adc [dB], 21.6. 32
, For realizability with the given. 33, circuit k must be positive. 2b) Multiply ... 16 +4 2014 feb 05 line level crossover The best electrical crossover filter is one that maintains the acoustic polar ... I
have a strong preference for line level active dividing networks ... 16 -2 2014 feb 01 room mode calculator Rectangular room modes - Linkwitz Lab 29. 30, Re-sort table below by ascending frequency. 31, after room dimensions
have been changed. 32, Modes in rectangular room , Sorted by frequency, Mode
... 17 +46 2014 feb 26 diy subwoofer Design of a sealed box subwoofer with electronic equalization. ... This is meant to
be a DIY project for the music loving hobbyist. Should you consider using part ... 17 -8 2014 feb 06 jung aktiv board 13 - Printed circuit boards ..... On the circuit board are two of the topologies below
. ...  Walter G. Jung , editor, Op Amp Applications, Analog Devices, 2002. 17 +3 2013 dec 30 driver power amplifier Power amplifier limited SPL for a dipole woofer - Linkwitz Lab Given two different 10" drivers , and power amplifiers of 60 W and 180 W
capability into 8 ohm, what on-axis, free-space SPL can be expected at ... 18 +83 2014 feb 17 force factor bl Subwoofer estimates - Linkwitz Lab A deflection of 12.5 mm requires a force F = Xmax / Cms' = 104.2 Newton or 23.4
pound. The motor has a force factor Bl = 17.6 N/A. Thus it takes Ip = F / (Bl) ... 19 -4 2014 feb 22 speaker diy ORION challenge to DIY - Linkwitz Lab My experience with the Beethoven series, the Vivaldi, and PHOENIX, has led to a
new design, which captures the essential sonic features of those speakers , ... 19 +12 2014 feb 09 subwoofer enclosure design 19 +43 2013 dec 21 website on cd Website CD - Linkwitz Lab The Website CD -ROM can be purchased for $150, shipping included for US ...
You can consider the CD to be my 'book' on Accurate sound reproduction in a ... 20 +81 2014 feb 26 location of woofer Why is bass reproduction from a dipole woofer in a ... - Linkwitz Lab Clearly, a dipole woofer excites room modes to a different degree when placed in
the same location as a monopole. In general, the dipole ... 20 -4 2014 jan 12 speaker cabinet design 20 +20 2013 dec 16 room acoustics software Reverberation time as most important parameter for a room's acoustic behavior.
... Many computer programs have been written that calculate the resonant ... 21 +80 2014 mar 07 variable low-pass filters 5 - Shelving lowpass & passive circuit ... 10 - Variable gain & fixed attenuation ....
A) The shelving lowpass filter cannot correct for a peak. 21 +42 2014 jan 24 speaker baffe home audio Linkwitz Lab - Loudspeaker Design The new LX521 Monitor is an open- baffle loudspeaker for decisive work in the
recording studio and for enjoying all types of music at home . ... Most of my
involvement with audio has been about designing and building loudspeakers for
my own ... 21 +1 2013 dec 20 room acoustics calculator Reverberation time as most important parameter for a room's acoustic ... They
merely change frequencies, shift their distribution and make their calculation a lot
... 22 +3 2014 jan 14 room acoustic calculator 23 -3 2014 jan 25 pictures of pluto PLUTO photos - Linkwitz Lab PLUTO has been built in many parts of the world: ... Send me your photos of
PLUTO to show others how you adapted it to locally available ... 23 ~ 2014 jan 23 intro page htm Pluto introduction - Linkwitz Lab Introduction .... On the following pages I provide sufficient information so that
someone with experience in building speakers and analyzing ... 24 +9 2014 feb 19 stereophile Stereophile interviews Siegfried Linkwitz - Linkwitz Lab Stereophile interviews Siegfried Linkwitz. By Shannon Dickson. Siegfried
Linkwitz was born in Germany in 1935. He received his electrical engineering
degree ... 24 -10 2014 jan 23 one for the woofer Dipole Woofer - Linkwitz Lab Dipole Woofer - 1 . All dimensions are in inch units unless otherwise stated. ( 1 " =
25.4 mm) For construction use 0.75" and 0.5" thick Baltic ... 25 +5 2013 dec 06 metal amplifier chassis Let's Build an Amplifier At ATI, steel is ordered for the chassis and allow the strongest chassis ), send the metal out to be powder coated and then ...
screening. PCB's, which have already been designed by legendary amplifier . 26 -11 2014 jan 26 best design speaker A few truly omni-directional speaker designs on the market come close, but
require ... It seems to me these types of speakers will be at their best in very large
... 27 +35 2014 mar 07 dvd production sf SF Symphony - Linkwitz Lab Since 2004, San Francisco Symphony Media has produced various PBS, DVD ,
and BD releases including the Keeping Score series which combined both ... 27 -1 2014 feb 27 pluto The design of the PLUTO loudspeaker brings together several concepts and
ideas about a small size loudspeaker that had been on my mind ... 27 +7 2014 jan 13 equalizer using qt Subwoofer equalization - Linkwitz Lab Therefore, equalization can make the unit into a useful subwoofer. 28 +4 2014 jan 15 pink noise cd Toneburst Test Signal CD - Linkwitz Lab 200Hz low-passed pink noise , 2:07 3. 200Hz to 100Hz, 3 bursts of 4x 20-cycles,
large steps, 0:55 4. 100Hz to 50Hz, 3 bursts of 4x 10-cycles, large steps, 0:54 5. 28 +5 2013 dec 19 stereo speaker placement Optimized stereophonic reproduction - Linkwitz Lab When I designed the PLUTO, a small low cost speaker and ... For my personal
enjoyment the critical stereo listening position is A, but I also ... 29 -11 2014 jan 24 seas loudspeaker drive units For this I drive to Las Vegas with my spouse for the International Consumer 29 +2 2014 jan 04 low pass crossover 2 - 12 dB/oct Linkwitz-Riley crossover 3 - 24 dB/oct Linkwitz-Riley crossover 4 -
Delay correction 5 - Shelving lowpass & passive circuit 6 - Shelving highpass ... 29 -11 2013 dec 04 u frame it H-U frame woofers - Linkwitz Lab Added to the graphs below are magnitude and phase of the H-frame at zero
degree for comparison purpose. At low frequencies the U - frame analyzed has 3.6
... 31 +12 2014 feb 28 panasonic dmc lx2 From its physical appearance and published specifications it appears that the
Panasonic Lumix DMC - LX2 is very similar to the Leica D-LUX 3 ... 32 +69 2014 feb 10 subwoofer box calculator 33 -11 2014 mar 01 qts thd earphone terminology FAQ - Linkwitz Lab Q34 - What is the optimum Qts for the drivers of a dipole woofer? .... 12" box
woofers and at 120 Hz equivalent to four in terms of maximum SPL. 33 +15 2014 feb 21 3 inch baffle Diffraction from baffle edges - Linkwitz Lab Thus, the portion of a sound pressure step that travels along the baffle surface ...
For a 3 inch circular baffle with a point source at its center there should be a 4.5 ... 33 -3 2013 dec 02 pvc pipe drivers speakers Surround loudspeaker - Linkwitz Lab The sound level demands for side and rear speakers in a music surround system
... mm) long PVC drainage pipe , an enclosure of about 7 liter internal volume.
The driver merely rests on top of the pipe and is sealed to it with a rubber gasket. 35 -16 2014 feb 19 stereo effect active speaker Linkwitz-Publications - Linkwitz Lab 35 - My Search for the Ideal Stereo Loudspeaker .... 12 - Siegfried Linkwitz, A
Three-Enclosure Loudspeaker System with Active Delay and Crossover, Parts 1,
2, ... Effects of the baffle shape upon the radiation pattern have been investigated. 35 +5 2014 feb 12 waveguide speaker technical Constant directivity loudspeaker designs - Linkwitz Lab On this web page I want to provide links to engineering information, .... and rapid
transition to a beam of +/-40 degree at -6 dB due to a 15" diameter waveguide . 35 +56 2013 dec 15 open source dsp DSP_challenge - Linkwitz Lab I challenge whoever has the skill set and experience with DSP design to .... It
runs on a Linux PC and uses only free, open - source software. 38 +34 2013 dec 19 crossover low cost The only excuse for passive crossovers is their low cost . Their behavior changes
with the signal level dependent dynamics of the drivers. They block the power ... 39 +17 2014 jan 25 orion subwoofer box Pluto + subwoofer - Linkwitz Lab The subwoofer would be down firing to reduce overall box height and to ...
Something similar was done with the addition of THOR to ORION . 39 +24 2014 jan 02 db audio talkaudio I - AES Convention, Rocky Mountain Audio Fest, Burning Amp Festival, October
2008 40 -17 2013 dec 13 diy speakers in canada In return I have a speaker with seamless integration over the whole frequency
range, .... In Canada , Burlington, Ontario, contact Alan Plaunt, 40 -12 2013 dec 13 diy speakers canada 41 -12 2013 dec 26 frequency response headphones It is difficult to find earphones that can serve as a reference transducer for ... They
have a targeted in-situ low frequency response , which is maintained in the ... 42 +15 2013 dec 27 hypex filter designer Designing a DSP based equalizer/crossover ... IIR filters , no pre-ringing ...
enclosure with 10 Hypex power amplifiers and their power supply. 42 +19 2013 dec 19 printed circuit board supplies Pluto supplies - Linkwitz Lab Building the three power amplifiers, crossover, equalization and power supply
circuitry is greatly simplified by using a printed circuit board . 44 +57 2013 dec 23 hear control room audio Reverberation time as most important parameter for a room's acoustic behavior. 45 ~ 2014 mar 07 san francisco symphony Since 2004, San Francisco Symphony Media has produced various PBS, DVD,
and BD releases including the Keeping Score series which combined both ... 45 ~ 2014 feb 13 board 24 48 shelving 6 - Shelving highpass & passive circuit 7 - Notch filter 46 -10 2014 feb 09 qts thd earphone Q12 - What happens to the parameters Vas, Qms, Qes and Qts when you connect
the two voice coils of the 1252DVC in series? Q13 - Is a printed circuit board ... 46 -31 2014 jan 25 desain box subwoofer Subwoofer design. 1 - Box construction. My goal is to keep the box size as small
as possible. The estimates show that a box with about 50 liter ... 48 -13 2014 mar 01 symphony video converter Since 2004, San Francisco Symphony Media has produced various PBS, DVD,
and BD 48 -32 2014 feb 10 subwoofer Since the subwoofer should provide an easy upgrade path for PLUTO owners
there would be no change to the PLUTO design. All necessary ... 49 +46 2014 feb 20 the three rooms of m Reverberation time as most important parameter for a room's acoustic behavior.
... N = (4 p / 3 ) V (f m /c) 3 + (p / 4) S (f m /c)2 + (1 / 8) Le (f m /c) (6). where 49 -9 2014 jan 30 surround sound music Surround sound - Linkwitz Lab " Music Logic" is my default mode for the Lexicon DC2. It can be enjoyable to
listen to DVD-V surround sound on this system, if the sound effects ... 50 +44 2014 feb 26 er 4s Recently, on the urging of two trusted friends, I acquired a pair of ear canal
phones, the model ER - 4S from Etymotic Research. Lyman Miller uses them for ... 50 +17 2014 feb 16 center channel speaker degrees ambience recovery 3 - SACD and DVD-A use of the center channel 4 - A few
SACD and their need for a center speaker ..... All three SACD benefited from
using a center speaker , though in different degree . I then switched to ... 50 +16 2013 dec 08 active vs passive crossover Crossovers may be implemented either as passive RLC networks, as active filters
with operational amplifier circuits or with DSP engines and ... 51 +13 2014 mar 06 in ear phones It is difficult to find earphones that can serve as a reference transducer for
evaluating loudspeakers. They are very useful. though, for evaluating ... 51 -6 2014 mar 05 cost of doing business DIY and the Cost of Doing Business - Linkwitz Lab DIY and the Cost of Doing Business . When you are able to build something
yourself, then the cost of buying the same item in a store or directly ... 51 +3 2013 dec 12 how to test mic System Test - Linkwitz Lab . The only safe test signal is the shaped tone-burst. ... The data was
taken with the microphone at 52" (1.32 m) in front of the panel and the panel ... 52 +29 2014 feb 08 open baffle full range The LX521 Monitor is an open - baffle loudspeaker for enjoyment of any type of
music ... PLUTO evolved to the 2-way full - range loudspeaker that it is today when
... 52 -5 2013 dec 29 sonic design speakers The ORION incorporated what I had learned from designing loudspeakers for ....
my sonic reference has always been the non-amplified original performance. 54 -24 2014 feb 11 design acoustics d 6 54 ~ 2014 jan 15 room sound treatment Much has been written in the popular and professional audio press about the
acoustic treatment of rooms . The purpose of such treatment is to allow us to hear
... 54 -7 2013 dec 17 rear surround speakers The sound level demands for side and rear speakers in a music surround ... to be
rolled off to avoid localization such speakers can be built with a single driver. 54 +41 2013 dec 11 how to test microphone 55 +3 2014 mar 04 seas full range speaker A full - range speaker needs to be at least 3-way. ..... Transition from two 15"
woofers to a 5.5" Seas midrange (M15CH002 ?) is at 250 Hz. 55 +43 2014 feb 28 r type final2 Convention Paper - Linkwitz Lab is the type of illusion that a 24channel stereophonic setup is asked to create in ....
rear wall reflection R can be delayed and reduced in magnitude by moving the ... 55 -5 2014 feb 12 lumix From its physical appearance and published specifications it appears that the
Panasonic Lumix DMC-LX2 is very similar to the Leica D-LUX 3 ... 55 +15 2013 dec 27 best surround system On a good two channel playback system this ambience information is perceived
as depth and width of the sound stage. The ambience ...